Concerning environmental enrichment, which of the following research results was reported?

a) beneficial influences were limited to very early childhood.
b) improved scores of crystallized and fluid intelligence have been reported.
c) improvements were reported until children reached the age of 9 years.
d) improvements were reported only after children reached the age of 15 years

The correct answer is "B) Improved scores of crystallized and fluid intelligence have been reported.".

Explanation: Concerning environmental enrichment, Improved scores of crystallized and fluid intelligence have been reported.

It was reported that through environmental enrichment it has been possible to report improved crystallized and fluid intelligence scores.

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